java.lang.IllegalStateException：响应提交后无法创建会话 [英] java.lang.IllegalStateException: Cannot create a session after the response has been committed

问题描述

 无效的网址：/ cgi-bin / 1st .cgi 
  

这是导致以下错误：

  SEVERE：异常初始化页面上下文
 java.lang.IllegalStateException：在org.apache.catalina.connector提交响应后无法创建会话
 .Request.doGetSession（Request.java:2381）
在org.apache.catalina.connector.Request.getSession（Request.java:2098）
在org.apache.catalina.connector.RequestFacade.getSession （RequestFacade.java:833）
在javax.servlet.http.HttpServletRequestWrapper.getSession（HttpServletRequestWrapper.java:216）
在org.apache.catalina.core.ApplicationHttpRequest.getSession（ApplicationHttpRequest.java:544 ）
 ... 
  

如何解决这个问题？

解决方案

发生的是re响应流已关闭。你已经发送了一个重定向，或者提交了一些其他类型的响应。我建议在执行任何响应之前获取会话对象，并保存响应，直到没有任何事情与 HttpServletRequest 或 HttpServletResponse 对象

一个好的做法是在执行重定向后立即从Servlet返回，这样可以避免这些问题。 >

I've got this really strange request for an invalid URL on:

Invalid URL: /cgi-bin/1st.cgi

This is causing the following error:

 SEVERE: Exception initializing page context
java.lang.IllegalStateException: Cannot create a session after the response has been committed
        at org.apache.catalina.connector.Request.doGetSession(Request.java:2381)
        at org.apache.catalina.connector.Request.getSession(Request.java:2098)
        at org.apache.catalina.connector.RequestFacade.getSession(RequestFacade.java:833)
        at javax.servlet.http.HttpServletRequestWrapper.getSession(HttpServletRequestWrapper.java:216)
        at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:544)
...

How can I solve this issue?

解决方案

What's happening is the response stream has been closed. Either you already sent a redirect, or committed some other type of response. I recommend getting your session object before you perform any response, and save the response until there is nothing left to do with the HttpServletRequest or HttpServletResponse objects.

A good practice is to return from your Servlet right away after performing a redirect, that way you can avoid some of these problems.

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